diff --git a/app/db/models.py b/app/db/models.py
index 4893197..98a392a 100644
--- a/app/db/models.py
+++ b/app/db/models.py
@@ -414,7 +414,7 @@ class Node(Base):
user_usages = relationship(
"NodeUserUsage",
back_populates="node",
- cascade="all, delete, delete-orphan",
+ cascade="save-update, merge",
)
usages = relationship(
"NodeUsage",